On the Technometria podcast with Phil Windley comes an hour with IBM's Andy Piper on their open-source protocol MQTT (MQ Telemetry Transport)

"Developed as part of his work at IBM, Andy Piper discusses the project, including its concepts and background. He also reviews examples of its use and reviews future development plans."

Listen to the program for free here:
http://itc.conversationsnetwork.org/shows/detail5153.html

More details about MQTT: mqtt.org/